C36" (P1764), "C37" (P1765), "C38" (P1766) Or "C39" (P1767) Secondary Fuel Injector Circuit Malfunction - Suzuki GSX-R1000K5 Service Manual

"C36" (P1764), "C37" (P1765), "C38" (P1766) or "C39" (P1767) SECOND-
ARY FUEL INJECTOR CIRCUIT MALFUNCTION
DETECTED CONDITION
Some failure exists in the fuel injector signal in a
high load, high revolution condition.
ECM
#12
#22
#32
#42
INSPECTION
Step 1
1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. (5-3)
3) Check the injector coupler for loose or poor contacts.
If OK, then measure the injector resistance.
4) Disconnect the injector coupler and measure the resistance
between terminals.
 Injector resistance: 11 – 13 Ω at 20 °C (68 °F)
Lg
Lg/W
Lg/G
Lg/BI
#4 #3
Secondary fuel injector
(Terminal – Terminal)
POSSIBLE CAUSE
• Injector circuit open or short
• Injector malfunction
• ECM malfunction
Fuel pump relay
Y/R
#2 #1
1
1
FI SYSTEM DIAGNOSIS 4-77
To engine
stop switch